CN211903048U

CN211903048U - Oil heater radiator assembly, corresponding orifice welding device and oil heater

Info

Publication number: CN211903048U
Application number: CN202020239442.2U
Authority: CN
Inventors: 张岚原; 邢煊烨; 沈仁敏
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-11-10
Anticipated expiration: 2030-03-02

Abstract

The utility model provides an oil heater fin subassembly and corresponding drill way welding set, oil heater. The oil heater heat sink assembly comprises two adjacent heat sink assembly monomers, wherein an oil pocket boss is arranged on each heat sink assembly monomer, the oil pocket boss is provided with a through hole which is communicated along the protruding direction of the oil pocket boss, the through hole is provided with a circular wall which extends towards the radial inner side of the through hole, and the circular walls of the two adjacent heat sink assembly monomers are connected in a circumferential seam welding mode. According to the utility model discloses an oil heater fin subassembly and corresponding drill way welding set, oil heater have between the oil pocket boss two adjacent fin subassembly monomers and adopt the mode realization of circumference seam welding to connect, guarantee the uniformity of oil pocket boss department welding quality, the punctiform formula electrode indentation that produces when not having the spot welding avoids leaking the production of welding quality problems such as welding.

Description

Oil heater radiator assembly, corresponding orifice welding device and oil heater

Technical Field

The utility model belongs to the technical field of electric main shaft heat dissipation is lubricated, concretely relates to oil heater fin subassembly and corresponding drill way welding set, oil heater.

Background

The prior art oil heater is also called as an oil-filled heater, the surface temperature of the radiating fins of the oil heater is uniform, the oil heater is comfortable to use, free of dust, peculiar smell and noise, free of visible light emission, flexible and changeable in application occasions, and therefore the oil heater is widely used. The radiating main body of the oil heater is an oil radiator component, the oil radiator component comprises a plurality of radiating fin component monomers with the same structure, and air circulation channels are arranged among the monomers so as to form efficient heat exchange between heat conduction oil in a generator and outside air. Each single heat radiating fin component is formed by welding two oil heater sheet bodies with symmetrical structures, along with the improvement of welding technology, in the prior art, the two oil heater sheet bodies in the single heat radiating fin component are realized by adopting a seam welding mode, the seam welding is realized by adopting a circumferential seam welding machine, the current circumferential seam welding machine is generally larger in structure and size, most of the existing circumferential seam welding machines are arranged on the outer peripheral side of a workpiece to be welded, corresponding circumferential welding seams are realized by controlling the rotation of the workpiece to be welded, the welding between oil pocket bosses of two adjacent single heat radiating fin components is realized by adopting a traditional double-sided spot welding mode, as the electrodes of a welding device feed electricity to a welding position from two sides of the workpiece during the double-sided spot welding, point-like electrode indentations can be generated on two sides in the oil pocket bosses, the continuous spot welding of adjacent parts is completed, and a circle of point-like indentations can be generated on the boss, because the surface of the electrode tip after long-term use will produce the long this past contact of oxide skin and will become the curved surface, contact welding will not guarantee the plane seal of circumference completely, and then lead to welding quality not high for example the welding seam department has the leak source, causes the leakage of oil spit of fland heat-conducting medium.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model is to provide an oil heater fin subassembly and corresponding drill way welding set, oil heater, have two adjacent fin subassembly monomers and adopt the mode realization of circumference seam welding between the oil pocket boss to connect, guarantee oil pocket boss department welding quality's uniformity, the punctiform formula electrode indentation that produces when there is not spot welding, avoid leaking the production of welding quality problems such as welding.

In order to solve the problem, the utility model provides an oil spit of fland fin subassembly, fin subassembly monomer including two adjacent settings, the oil pocket boss has on the fin subassembly monomer, the oil pocket boss has the through-flow hole that link up along its protruding direction, through-flow hole department has the rampart that extends towards its radial inboard, connects through the mode of circumference seam welding between the rampart that two adjacent fin subassembly monomers had separately.

Preferably, one side of the annular wall near the center of the through-flow hole is further provided with a standing wall extending towards the inner side of the single heat sink assembly along the axial direction of the through-flow hole.

Preferably, the vertical wall is provided with a through hole which penetrates through two sides of the wall body of the vertical wall.

Preferably, one side of the annular wall near the center of the through-flow hole is further provided with an edge boss protruding toward the inside of the fin block body in the axial direction of the through-flow hole.

Preferably, the edge boss has a plurality of edge bosses arranged at intervals along the circumferential direction of the through-flow hole.

Preferably, the heat sink assembly monomer comprises two mutually buckled and connected oil heater pieces, the oil pocket bosses are provided with two oil pocket bosses, the two oil pocket bosses are respectively arranged at two ends of the length of the oil heater pieces, the opposite side surfaces of the oil heater pieces are also provided with oil guide structures, and the oil guide structures are communicated with the two oil pocket bosses.

The utility model also provides an oil spit of fland room heater, including foretell oil spit of fland fin subassembly.

The utility model provides a hole welding set for the rampart that two adjacent fin subassembly monomers have separately among the above-mentioned oil spit of fland fin subassembly of mode welding with the circumference seam welding, roll the dish electrode including rotary drive device, first roll dish electrode, second, first roll dish electrode and second roll the dish electrode with rotary drive device connects, works as rotary drive device moves, first roll dish electrode and second roll the dish electrode can by rotary drive device drive centers on rotary drive device has the rotation axis is rotatory.

Preferably, the first rolling disc electrode is also movable toward or away from the second rolling disc electrode along the axial direction of the rotating shaft; and/or the second rolling disc electrode can also move towards or away from the second rolling disc electrode along the axial direction of the rotating shaft.

Preferably, the first rolling disc electrode is also movable toward or away from the rotating shaft in a radial direction of the rotating shaft; and/or the second rolling disc electrode can also move towards or away from the rotating shaft along the radial direction of the rotating shaft.

The utility model provides a pair of oil spit of fland fin subassembly and corresponding drill way welding set, oil spit of fland room heater, improve the connected mode of adjacent oil package boss for the circumference seam welding by current two-sided spot welding mode, make full use of the circumference seam welding at welded quality, the advantage on the continuity, guarantee oil package boss department welding quality's uniformity, the punctiform formula electrode indentation that produces when there is not spot welding, avoid the production of welding quality problems such as hourglass welding, and then prevent that the outer hourglass of heat-conducting medium from having promoted the product quality of oil spit of fland room heater.

Drawings

Fig. 1 is a schematic view of an internal structure of an oil heater heat sink assembly according to an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic structural view of the oil-coated bump in FIG. 1 in another embodiment;

FIG. 4 is a schematic view of a further embodiment of the oil-coated bump of FIG. 1;

fig. 5 is a schematic view of an orifice welding device according to another embodiment of the present invention.

The reference numerals are represented as:

1. a heat sink assembly unit; 11. a boss is arranged in the oil pocket; 12. a through-flow aperture; 13. an annular wall; 14. erecting a wall; 15. an edge boss; 16. oil-filled tablets; 17. an oil guiding structure; 21. a rotating shaft; 22. a first roulette electrode; 23. a second roulette electrode; 24. a power source.

Detailed Description

Referring to fig. 1 to 5 in combination, according to an embodiment of the present invention, there is provided an oil heater heat sink assembly, which includes two heat sink assembly units 1 adjacently disposed, each of the heat sink assembly units 1 has an oil pocket boss 11 thereon, the oil pocket boss 11 is disposed at two ends of the length of the heat sink assembly unit 1, the oil pocket boss 11 has a through hole 12 penetrating along the protruding direction thereof, the through hole 12 has a ring wall 13 extending toward the radial inner side thereof, the ring walls 13 of the two adjacent heat sink assembly units 1 are connected by circumferential seam welding, that is, the two adjacent oil pocket bosses 11 are connected by the ring walls 13 of the two adjacent oil pocket bosses, and it can be understood that, for an oil heater heat sink assembly, the number of the heat sink assembly units 1 included in the heat sink assembly unit can be selected according to the requirement of heat dissipation capacity, and generally, the number of the heat sink assembly units 1 is generally 7, 9, 11, 13 and other specifications, and any two adjacent heat sink assembly units 1 are connected in the circumferential seam welding manner. Among this technical scheme, improve the connected mode of adjacent oil pocket boss 11 into circumference seam welding by current two-sided spot welding mode, make full use of the circumference seam welding in welded quality, the advantage on the continuity, guarantee the uniformity of oil pocket boss department welding quality, the punctiform formula electrode indentation that produces when not having the spot welding avoids leaking the production of welding quality problems such as welding, and then prevents that the outer hourglass of heat-conducting medium has promoted the product quality of oil spit of fland room heater. In the specific circumferential seam welding process, a mode of flattening intermittent seam welding is specifically adopted, and the roller disc electrode and the workpiece can be cooled in the current rest time, so that the service life of the roller disc electrode can be prolonged, the width of a heat affected zone and the deformation of the workpiece are reduced, and better welding quality is obtained. The circumference seam welding is as conventional welding mode, the utility model discloses do not intend to carry out corresponding improvement to its welding process, but intend to utilize its high-quality characteristics on the welding quality with its creative work condition of introducing to the connection of oil package boss 11 of adjacent fin subassembly monomer 1, and further, the corresponding circumference seam welding device that adopts should guarantee on specific selection that it can also be rotated on the basis of realizing seam welding to adjacent rampart 13, for example, can be that circumference seam welding device drives corresponding rolling disc electrode and rotates, also can be that fin subassembly monomer 1 is round the rotation of circumference seam welding device.

Preferably, one side of the annular wall 13 close to the center of the through-hole 12 is further provided with a vertical wall 14 extending towards the inner side of the heat sink assembly single body 1 along the axial direction of the through-hole 12 or an edge boss 15 protruding towards the inner side of the heat sink assembly single body 1, and the vertical wall 14 or the edge boss 15 can form a guiding effect on the rotation of the rolling disc electrode in the circumferential seam welding process, so that the rolling disc electrode can be stably positioned in a to-be-welded area of the annular wall 13 in the rotation process.

Furthermore, the vertical wall 14 is provided with through holes which penetrate through two sides of the wall body of the vertical wall 14, so that possible adverse effects on the circulation of the heat transfer medium due to the arrangement of the vertical wall 14 can be prevented; alternatively, the edge bosses 15 may be provided in plurality, and a plurality of edge bosses 15 may be spaced apart from each other in the circumferential direction of the through-flow hole 12, so that the heat transfer medium can circulate through the spaced positions between the adjacent edge bosses 15.

The radiating fin component monomer 1 comprises two oil bag bosses 16 which are buckled and connected with each other, the oil bag bosses 11 are provided with two oil bag bosses 11, the two oil bag bosses 11 are respectively arranged at two ends of the length of the oil bag bosses 16, the opposite side surfaces of the oil bag bosses 16 are also provided with oil guide structures 17, the oil guide structures 17 are communicated with the two oil bag bosses 11, and the oil guide structures 17 can be independent flow channels penetrating through the inner cavities of the oil bag bosses 11 at two ends.

According to the utility model discloses an embodiment still provides an oil spit of fland room heater, including foretell oil spit of fland fin subassembly.

According to the embodiment of the utility model, still provide an aperture welding set for with the circular wall 13 that two adjacent fin subassembly monomers 1 have separately among the above-mentioned oil spit of fland fin subassembly of circumferential seam welding, including rotary drive device, first rolling disc electrode 22, second rolling disc electrode 23, first rolling disc electrode 22 and second rolling disc electrode 23 with rotary drive device connects, works as rotary drive device moves, first rolling disc electrode 22 and second rolling disc electrode 23 can be by rotary drive device drive centers on rotary drive device has rotation shaft 21 is rotatory. Specifically, first rolling disc electrode 22, second rolling disc electrode 23 carry out concrete welding action under the effect of power 24, and this one side it is relatively known as in the welding set field the utility model discloses do not intend to protect it specially, and the novel technical scheme of the utility model is distinguished from prior art's innovation point is that first rolling disc electrode 22, second rolling disc electrode 23 in this application can be under the effect of rotary driving device, driven around the rotation axis 21 rotation that rotary driving device has, also can be along the cliff 13 and found wall 14 or edge boss 15 and form the guide space and rotate to realize the welding operation process of circumference seam welding. In this technical solution, the first rolling disk electrode 22 and the second rolling disk electrode 23 are designed to be driven to rotate around the rotating shaft 21, and the heat sink assembly unit 1 is not required to rotate around the first rolling disk electrode 22 and the second rolling disk electrode 23, so that the orifice welding apparatus can be simplified in structure.

It is to be understood that the first rolling disc electrode 22 is also designed to be movable toward or away from the second rolling disc electrode 23 along the axial direction of the rotating shaft 21; and/or the second rolling disc electrode 23 can also move towards or away from the second rolling disc electrode 23 along the axial direction of the rotating shaft 21, for example, the first rolling disc electrode 22 is connected to the rotating shaft 21 through a telescopic arm (telescopic cylinder, slide block slide rail) and/or the second rolling disc electrode 23 is connected to the rotating shaft 21 through a telescopic arm (telescopic cylinder, slide block slide rail).

Preferably, the first rolling disc electrode 22 is also movable toward or away from the rotating shaft 21 in a radial direction of the rotating shaft 21; and/or the second rolling disc electrode 23 can also move towards or away from the rotating shaft 21 along the radial direction of the rotating shaft 21, for example, the first rolling disc electrode 22 is connected to the rotating shaft 21 through a telescopic arm (telescopic cylinder, slide block slide rail) and/or the second rolling disc electrode 23 is connected to the rotating shaft 21 through a telescopic arm (telescopic cylinder, slide block slide rail), that is, at this time, the first rolling disc electrode 22 and the second rolling disc electrode 23 are connected to the rotating shaft 21 through a three-degree-of-freedom structure (axial movement, radial movement, circumferential movement).

In a specific circumferential seam welding process, the first rolling disc electrode 22, the second rolling disc electrode 23 and the rotating shaft 21 are installed in the through-flow hole 12 (the axial direction of the rotating shaft 21 is parallel to the axial direction of the through-flow hole 12), the first rolling disc electrode 22 and the second rolling disc electrode 23 are controlled to respectively correspond to the upper position and the lower position on the annular wall 13 to be welded, the first rolling disc electrode 22 and the second rolling disc electrode 23 are extended away from the rotating shaft 21 along the radial direction and correspond to the position to be welded of the annular wall 13, then the first rolling disc electrode 22 and the second rolling disc electrode 23 are controlled to move towards each other, so that the first rolling disc electrode 22 and the second rolling disc electrode 23 clamp the adjacent two annular walls 13 (a pressurization process), and then the operation is controlled according to the welding logic of the welding device for circumferential seam welding.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The oil heater heat sink assembly is characterized by comprising two adjacent heat sink assembly single bodies (1), wherein an oil pocket boss (11) is arranged on each heat sink assembly single body (1), the oil pocket boss (11) is provided with a through hole (12) which is communicated along the protruding direction of the oil pocket boss, an annular wall (13) which extends towards the radial inner side of the through hole (12) is arranged at the hole opening of the through hole, and the annular walls (13) of the two adjacent heat sink assembly single bodies (1) are connected in a circumferential seam welding mode.

2. The oil heater fin assembly according to claim 1, characterized in that the side of the annular wall (13) near the center of the through-flow hole (12) is further provided with a standing wall (14) extending toward the inside of the fin assembly body (1) in the axial direction of the through-flow hole (12).

3. The oil heater heat sink assembly according to claim 2, wherein the vertical wall (14) has a through hole passing through both sides of the wall body of the vertical wall (14).

4. The oil heater fin assembly according to claim 1, characterized in that the side of the ring wall (13) near the center of the through-flow hole (12) is further provided with an edge boss (15) protruding toward the inside of the fin assembly single body (1) in the axial direction of the through-flow hole (12).

5. The oil heater fin assembly according to claim 4, wherein the edge bosses (15) are provided in plurality, and a plurality of edge bosses (15) are provided at intervals in the circumferential direction of the through-flow hole (12).

6. The oil heater heat sink assembly according to claim 1, wherein the heat sink assembly body (1) comprises two oil heater fins (16) which are fastened and connected with each other, the number of the oil pocket bosses (11) is two, the two oil pocket bosses (11) are respectively located at two ends of the length of the oil heater fins (16), the opposite side surfaces of the oil heater fins (16) are further provided with oil guiding structures (17), and the oil guiding structures (17) communicate with the two oil pocket bosses (11).

7. An oil heater comprising an oil radiator fin assembly, wherein the oil radiator fin assembly is as claimed in any one of claims 1 to 6.

8. An aperture welding device for welding the circumferential wall (13) of each of two adjacent fin assembly units (1) in an oil heater fin assembly according to any one of claims 1 to 6 by circumferential seam welding, comprising a rotary driving device, a first rolling disc electrode (22) and a second rolling disc electrode (23), wherein the first rolling disc electrode (22) and the second rolling disc electrode (23) are connected with the rotary driving device, and when the rotary driving device is operated, the first rolling disc electrode (22) and the second rolling disc electrode (23) can be driven by the rotary driving device to rotate around a rotating shaft (21) of the rotary driving device.

9. The orifice welding device according to claim 8, characterized in that the first rolling disc electrode (22) is also movable toward or away from the second rolling disc electrode (23) in the axial direction of the rotating shaft (21); and/or the second rolling disc electrode (23) can also move towards or away from the second rolling disc electrode (23) along the axial direction of the rotating shaft (21).

10. The orifice welding device according to claim 8, characterized in that the first rolling disc electrode (22) is further movable toward or away from the rotating shaft (21) in a radial direction of the rotating shaft (21); and/or the second rolling disc electrode (23) can also move towards or away from the rotating shaft (21) along the radial direction of the rotating shaft (21).